<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>商品类目统计</title>
    <!-- 引入样式 -->
    <link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
    <link rel="stylesheet" href="../plugins/font-awesome/css/font-awesome.min.css">
    <link rel="stylesheet" href="../css/style.css">

</head>
<body>
<div id="app">
    <el-date-picker
            v-model="dateRange"
            type="daterange"
            range-separator="至"
            start-placeholder="开始日期"
            end-placeholder="结束日期"
            @change="fetchData()">
    </el-date-picker>

    <div id="main" style="width: 600px;height:400px;"></div>

    <el-table
            :data="tableData"
            border
            style="width: 100%">
        <el-table-column
                prop="categoryName"
                label="分类名称"
                width="200">
        </el-table-column>
        <el-table-column
                prop="num"
                label="销售量"
                width="200">
        </el-table-column>
        <el-table-column
                label="数量比例"
                width="200">
            <template slot-scope="scope">
                {{(scope.row.num/totalNum*100).toFixed(0)}}%
            </template>
        </el-table-column>

        <el-table-column
                label="销售额"
                width="200">
            <template slot-scope="scope">
                {{(scope.row.money/100).toFixed(2)}}
            </template>
        </el-table-column>
        <el-table-column
                label="金额比例"
                width="200">
            <template slot-scope="scope">
                {{(scope.row.money/totalMoney*100).toFixed(0)}}%
            </template>
        </el-table-column>

    </el-table>

</div>

</body>
<script src="/js/util.js"></script>
<script src="/js/vue.js"></script>
<script src="/js/axios.js"></script>
<script src="/js/elementui.js"></script>
<script src="/js/echarts.common.min.js"></script>
<script>
    new Vue({
        el: '#app',
        data() {
            return {
                tableData: [],
                dateRange: [],
                totalNum: 0,
                totalMoney: 0
            }
        },
        methods: {
            fetchData() {
                let date1 = this.dateRange[0].Format('yyyy-MM-dd');
                let date2 = this.dateRange[1].Format('yyyy-MM-dd');
                axios.get(`/categoryReport/category1Count.do?date1=${date1}&date2=${date2}`).then(response = > {
                    this.tableData = response.data;
                //计算总销售数量和总销售金额
                this.totalNum = 0;
                this.totalMoney = 0;
                for (let i = 0; i < this.tableData.length; i++) {
                    this.totalNum += this.tableData[i].num;
                    this.totalMoney += this.tableData[i].money;
                }

                let legendData = [];//图例
                let numData = [];//销售量数据
                let moneyData = [];//销售额数据
                for (let i = 0; i < this.tableData.length; i++) {
                    legendData.push(this.tableData[i].categoryName);
                    numData.push({name: this.tableData[i].categoryName, value: this.tableData[i].num});
                    moneyData.push({name: this.tableData[i].categoryName, value: this.tableData[i].money});
                }

                //创建饼图
                let myChart = echarts.init(document.getElementById('main'));
                let option = {
                    title: {
                        text: '商品类目销售分析',
                        subtext: '',
                        x: 'center'
                    },
                    tooltip: {
                        trigger: 'item',
                        formatter: "{a} <br/>{b} : {c} ({d}%)"
                    },
                    legend: {
                        orient: 'vertical',
                        left: 'left',
                        data: legendData
                    },
                    series: [
                        {
                            name: '销售量',
                            type: 'pie',
                            radius: '35%',
                            center: ['30%', '50%'],
                            data: numData,
                            itemStyle: {
                                emphasis: {
                                    shadowBlur: 10,
                                    shadowOffsetX: 0,
                                    shadowColor: 'rgba(0, 0, 0, 0.5)'
                                }
                            }
                        },
                        {
                            name: '销售额',
                            type: 'pie',
                            radius: '35%',
                            center: ['80%', '50%'],
                            data: moneyData,
                            itemStyle: {
                                emphasis: {
                                    shadowBlur: 10,
                                    shadowOffsetX: 0,
                                    shadowColor: 'rgba(0, 0, 0, 0.5)'
                                }
                            }
                        }
                    ]
                };

                // 使用刚指定的配置项和数据显示图表。
                myChart.setOption(option);


            })
            }

        }


    })


</script>


</html>